diff --git a/README.md b/README.md
index ae5e7fa..d02b705 100644
--- a/README.md
+++ b/README.md
@@ -13,6 +13,7 @@ I however just want to put my markdown files in a directory and get a working wi
     - [ ] Option to get plain text file
     - [ ] Optimize CSS for code
 - [x] Start page
+    - [ ] Overview of pages and namespaces
 - [x] Search page
     - [x] Full-text search
     - [x] Show first few lines of each match (preview)
@@ -27,7 +28,7 @@ I however just want to put my markdown files in a directory and get a working wi
     - [x] CSS dark-theme
     - [x] CSS light-theme
 - [x] Config file
-- [ ] Docker installation
+- [x] Docker installation
     - [ ] Enable variables/environment variables
 - [ ] Logo
 
diff --git a/src/content.py b/src/content.py
index 859af97..5fbd163 100644
--- a/src/content.py
+++ b/src/content.py
@@ -17,8 +17,8 @@ def gen_stand_string(path_ex):
     filename = os.path.join(ENTRY_DIR, path_ex)
     result = ''
     if path.exists(filename):
-        title = open(filename).readline().rstrip('\n')
-        text = open(filename).readlines()[1:]
+        title = open(filename,encoding='utf-8').readline().rstrip('\n')
+        text = open(filename,encoding='utf-8').readlines()[1:]
         filename_no_end = filename.split('.', 1)[0]
         result += '<h1>' + title + '</h1>\n'
         if filename.endswith('.md'):
@@ -35,7 +35,7 @@ def gen_md_content(path_ex, depth):
         for i in range(depth):
             header += '#'
         header += ' '
-        markdown_lines = open(path_ex, 'r').readlines()[1:]
+        markdown_lines = open(path_ex, 'r',encoding='utf-8').readlines()[1:]
         markdown_text = ''
         for line in markdown_lines:
             markdown_text += line.replace('# ', header)
@@ -61,7 +61,7 @@ def gen_query_res_string(query_str):
 
 
 def create_preview(path):
-    file = open(path, 'r')
+    file = open(path, 'r',encoding='utf-8')
     first_lines = file.readlines()
     preview = ''
     preview_length = 3
diff --git a/src/search.py b/src/search.py
index d67c7c5..56ab814 100644
--- a/src/search.py
+++ b/src/search.py
@@ -28,7 +28,7 @@ def createSearchableData(root):
     for r, d, f in os.walk(root):
         for file in f:
             path = os.path.join(r, file)
-            fp = open(path)
+            fp = open(path,encoding='utf-8')
             title = fp.readline()
             text = title + fp.read()
             writer.add_document(title=title, path=path, content=text)